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887C051009 — 887C051009

✓ Government record, cited
L3 TECHNOLOGIES, INC. DIV L3 KEO · ORING SEAL
PRODUCT OVERVIEW

887C051009: 887C051009.

The 887C051009 is a L3 TECHNOLOGIES, INC. DIV L3 KEO industrial component. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-454-5255, 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
887C051009
NSN: 5340-01-454-5255
FSC: 5340 — Hardware, Commercial
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
Part Number887C051009
ManufacturerL3 TECHNOLOGIES, INC. DIV L3 KEO
NSN5340-01-454-5255
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 887C051009 MFR: L3 TECHNOLOGIES, INC. DIV L3 KEO ⚠ 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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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924, CL 4 MIL SPEC SINGLE TREATMENT RESPONSE
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STYLE DESIGNATOR: MOUNTING
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
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MATERIAL THICKNESS: 0.1100 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
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COLOR: BLACK
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DISTANCE FROM HOLE CENTER TO END: 2.0000 INCHES NOMINAL IN
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SURFACE TREATMENT: OXIDE
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MATERIAL: STEEL COMP 304
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924, CL 4 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORMOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.1100 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
COLORBLACK
DISTANCE FROM HOLE CENTER TO END2.0000 INCHES NOMINAL IN
SURFACE TREATMENTOXIDE
MATERIALSTEEL COMP 304
HOLE DIAMETER2.1730 INCHES MINIMUM AND 2.2030 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
051009Reference document
Same NSN cross-reference
Reference document — Secondary reference
51009Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 887C051009?
887C051009 is a 887C051009 manufactured by L3 TECHNOLOGIES, INC. DIV L3 KEO.
What parts can replace 887C051009?
There are 2 known substitutes for 887C051009: 051009, 51009. Substitute compatibility should be verified for your specific system.
What is the NSN for 887C051009?
887C051009 is cataloged in the U.S. Government catalog under NSN 5340-01-454-5255. 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.