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1139309 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1139309: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: REPLACEMENT BATTERY COVER AND HOLDER FOR 1/2 AA CELL, CLIN 72, end_item_identification: KG-250, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-575-7746, 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
1139309
NSN: 5340-01-575-7746
FSC: 5340 — Hardware, Commercial
CAGE: 47358 — VIASAT INC DBA VIASAT INC (USA)
SPECIFICATIONS
special_featuresREPLACEMENT BATTERY COVER AND HOLDER FOR 1/2 AA CELL, CLIN 72
end_item_identificationKG-250
criticality_code_justificationFEAT
NSN5340-01-575-7746
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1139309 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESREPLACEMENT BATTERY COVER AND HOLDER FOR 1/2 AA CELL, CLIN 72
END ITEM IDENTIFICATIONKG-250
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
1071751Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 1139309?
1139309 is a COVER,ACCESS.
What parts can replace 1139309?
There is 1 known substitute for 1139309: 1071751. Substitute compatibility should be verified for your specific system.
What is the NSN for 1139309?
1139309 is cataloged in the U.S. Government catalog under NSN 5340-01-575-7746. 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.