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Consumables & expendables · Spec-Crosswalk

HYDRAULIC FLUID,PETROLEUM BASE

Stock number · interchangeable / substitutable per the NSN catalogue (FLIS I&S) — every member CONFIRMED

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Part number3 approved sources
You are here · Stock number9150-00-082-7524
Specification →MIL-PRF-5606 Type MIL-PRF-5606

Approved sources and substitutes

Every maker's item codified on this stock number, with the catalogue's order of use.

MIL-H-5606 MILITARY SPECIFICATIONS

CONFIRMED

HYDRAULIC FLUID,PETROLEUM BASE

NSN 9150-00-082-7524

COLOR: RED VISCOSITY AT RATED TEMP: 2500.00 MAXIMUM -65 DEG FAHRENHEIT AND 600.00 MAXIMUM -40 DEG FAHRENHEIT MINIMUM FLASH POINT AND TEST METHOD: 180.0 FAHRENHEIT CLEVELAND OPEN CUP

ROYCO 756 LANXESS CORPORATION

CONFIRMED

HYDRAULIC FLUID,PETROLEUM BASE

NSN 9150-00-223-4134

COLOR: RED VISCOSITY AT RATED TEMP: 2500.00 MAXIMUM -65 DEG FAHRENHEIT AND 600.00 MAXIMUM -40 DEG FAHRENHEIT MINIMUM FLASH POINT AND TEST METHOD: 180.0 FAHRENHEIT CLEVELAND OPEN CUP

ROYCO756 LANXESS CORPORATION

CONFIRMED

HYDRAULIC FLUID,PETROLEUM BASE

NSN 9150-00-265-9408

COLOR: RED VISCOSITY AT RATED TEMP: 2500.00 MAXIMUM -65 DEG FAHRENHEIT AND 600.00 MAXIMUM -40 DEG FAHRENHEIT MINIMUM FLASH POINT AND TEST METHOD: 180.0 FAHRENHEIT CLEVELAND OPEN CUP

Stated characteristics

The codification record's own dimensions and material statements — official, and public by nature.

SERVICE CHARACTERISTICSANTIWEAR AND CORROSION RESISTIVE AND OXIDATION RESISTANTFLIS characteristics (MRC)
QUANTITY WITHIN EACH UNIT PACKAGE1.000 GALLONSFLIS characteristics (MRC)
VISCOSITY AT RATED TEMP2500.00 MAXIMUM -65 DEG FAHRENHEIT AND 600.00 MAXIMUM -40 DEG FAHRENHEITFLIS characteristics (MRC)
MAXIMUM POUR POINT-75.0 FAHRENHEITFLIS characteristics (MRC)
MINIMUM FLASH POINT AND TEST METHOD180.0 FAHRENHEIT CLEVELAND OPEN CUPFLIS characteristics (MRC)
COLORREDFLIS characteristics (MRC)

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The whole group as CSV — members, makers, stock numbers and order of use.

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The monthly allowance for this address is used — the pattern reads as catalogue work, not a line to settle.

Whole-catalogue work is what Stage 1(a) is for: every line human-checked against the cited evidence, discrepancies annotated, back inside 24 hours. Free searching stays free — this gate only catches bulk pulls.

Request a Stage 1(a) dossierTriage the whole list free
Staying inside the regulation — routes from candidate to approved

Codification and qualification say who vouches for a part — they are not installation eligibility. Under EASA Part-21, eligibility flows from the approved design (type design / IPC) or an approved change; under Part-145, acceptance needs an EASA Form 1 or, for genuine standard parts, conformity traceable to the officially recognised standard (145.A.42).

  1. Classify the part. Is it a GENUINE standard part? If the IPC/CMM references only a public specification (AN/MS/NAS/SAE-AS/ISO/EN) with no OEM source-control drawing, buy at source with conformity traceable to that standard.
  2. Check for an approved alternate. The IPC/CMM/vendor list may already carry an alternate part number or vendor code — an already-approved alternate needs no new approval.
  3. Ask the design approval holder. Request the source-control data, written equivalence, or addition of the alternative source to the approved data. Document a refusal.
  4. Raise a design change. Via a Part-21J DOA (or EASA/ADOA): a 21.A.95 minor change adding the alternate to the approved data, backed by an identicality/equivalence file — dimensions, material, class, load rating, lubricant/seal, corrosion protection, acceptance criteria. Critical applications escalate to major change/STC.
  5. FAA-PMA / BASA path. Where the product is also FAA-certificated: PMA parts reach EASA aircraft under the BASA/TIP (non-critical directly; critical via EASA-validated STC).
  6. Production, release, traceability. Approved parts are produced under a POA, released on an EASA Form 1 (marked EPA where applicable), with EN/AS 9120-grade traceability into Part-145/CAMO acceptance.

Stage 1(a): we assemble the equivalence/identicality starter file — the cited evidence this graph holds, shaped for your DOA or compliance department to take forward. See pricing.

Regulatory explainer, not legal advice: paragraph numbers, derogations and the BASA/TIP revision change — verify against the current consolidated Regulation (EU) 748/2012, the EASA Easy Access Rules and the current TIP, and engage your DOA and competent authority early.

Source: DLA Logistics Information Services (FLIS) · cycle 2026-07 · official codification

This crosswalk identifies candidate equivalents with cited evidence. It is not an airworthiness approval. Substitution decisions remain subject to your organisation’s procurement and engineering approval process and the governing maintenance data (AMM/CMM/SRM/CML/OMAT).