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Technical Data Sheet
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NAS1595-5 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN, center_hole_diameter: 0.407 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5331-00-167-5166, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NAS1595-5
NSN: 5331-00-167-5166
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
center_hole_diameter0.407 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
material_document_and_classificationMIL-R-25897,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-167-5166
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1595-5 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSTREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); ELEVATORS, AIRCRAFT; AIRCRAFT, AIRLIFTER C-17A; BOILERS, 1200 PSI; AIRCRAFT, SOF ( AC-130H, MC-130H, EC-130E, HC-130); SUPPORT EQUIPMENT, B-1 AIRCRAFT; L.P. COMPRESSORS; STERN GATES; SYSTEMS, 02N2; SAS (STARTING AIR SYS), FFG-7; 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS) BAP (BRIDGE ADAPTER PALLET). A
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
3905InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
72-6970-960InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
91T2128InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6905InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
82-SInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5715MKInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1595-5?
NAS1595-5 is a PACKING,PREFORMED.
What parts can replace NAS1595-5?
There are 34 known substitutes for NAS1595-5: 3905, 72-6970-960, 91T2128 and 31 more. Substitute compatibility should be verified for your specific system.
Is NAS1595-5 still available?
NAS1595-5 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026