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31048 — RETAINER-EJECTOR,ELECTRICAL CARD

✓ Government record, cited
Aquabeads · ORING SEAL
PRODUCT OVERVIEW

31048: RETAINER-EJECTOR,ELECTRICAL CARD.

RETAINER-EJECTOR,ELECTRICAL CARD. Key specifications include nut_diameter: 0.750 INCHES NOMINAL IN, special_features: NHA-UPPER RECEIVER ASSEMBLY SK1, SR-16, part_name_assigned_by_controlling_agency: RETENTION NUT, GAS BLOCK. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-003-9465, 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
31048
NSN: 5330-00-003-9465
NIINs: 000039465, 002771246, 002930793, 008151243, 008308802, 011394977, 011481455, 011534361, 012117341, 012892001, 016130613, 016185205, 017059023
FSC: 5330 — Packing and Gasket Materials
CAGE: 36251 — MCNEIL OHIO CORP (USA)
SPECIFICATIONS
nut_diameter0.750 INCHES NOMINAL IN
special_featuresNHA-UPPER RECEIVER ASSEMBLY SK1, SR-16
part_name_assigned_by_controlling_agencyRETENTION NUT, GAS BLOCK
NSN5330-00-003-9465
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31048 MFR: Aquabeads ⚠ 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
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
Manufacturer release date (catalog record)2018-04-15
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31048?
31048 is a RETAINER-EJECTOR,ELECTRICAL CARD manufactured by Aquabeads.
What is the NSN for 31048?
31048 is cataloged in the U.S. Government catalog under NSN 5330-00-003-9465. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.