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M25988-1-322 — SEAL,NONMETALLIC ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M25988-1-322: SEAL,NONMETALLIC ROUND SECTION.

The SEAL,NONMETALLIC ROUND SECTION is a the manufacturer industrial component. Key specifications include special_features: SEAL, EQUIPMENT INSTL-WING, CENTER SECTION, end_item_identification: HAWKER 80XP/850XP, part_name_assigned_by_controlling_agency: SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-369-1989, 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
M25988-1-322
NSN: 5331-00-369-1989
NIINs: 003691989, 016487761
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
special_featuresSEAL, EQUIPMENT INSTL-WING, CENTER SECTION
end_item_identificationHAWKER 80XP/850XP
part_name_assigned_by_controlling_agencySEAL
NSN5331-00-369-1989
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988-1-322 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.645 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.213 INCHES MINIMUM AND 1.237 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.645 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.213 INCHES MINIMUM AND 1.237 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 3
10163285Reference document
Same NSN cross-reference
Reference document — Informative reference only
MIL-DTL-25988/1Reference document
Same NSN cross-reference
Reference document — Identification reference
MILR25988Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M25988-1-322?
M25988-1-322 is a SEAL,NONMETALLIC ROUND SECTION.
What parts can replace M25988-1-322?
There are 3 known substitutes for M25988-1-322: 10163285, MIL-DTL-25988/1, MILR25988. Substitute compatibility should be verified for your specific system.
What is the NSN for M25988-1-322?
M25988-1-322 is cataloged in the U.S. Government catalog under NSN 5331-00-369-1989. This indicates validated use in U.S. government and defense supply chains.
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