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276338 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

276338: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include width: 0.020 INCHES NOMINAL IN, material: STEEL UNS K08500, overall_height: 0.2187 INCHES NOMINAL IN, stock_diameter: 0.010 INCHES NOMINAL IN, style_designator: PIN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-474-5605, 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
276338
NSN: 5340-00-474-5605
NIINs: 004745605, 007942999
FSC: 5340 — Hardware, Commercial
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
width0.020 INCHES NOMINAL IN
materialSTEEL UNS K08500
overall_height0.2187 INCHES NOMINAL IN
stock_diameter0.010 INCHES NOMINAL IN
style_designatorPIN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-474-5605
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 276338 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
•
STYLE DESIGNATOR: PIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
•
STOCK DIAMETER: 0.010 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
WIDTH: 0.020 INCHES NOMINAL IN
•
MATERIAL: STEEL UNS K08500
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2187 INCHES NOMINAL IN
STYLE DESIGNATORPIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
STOCK DIAMETER0.010 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
WIDTH0.020 INCHES NOMINAL IN
MATERIALSTEEL UNS K08500
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 276338?
276338 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What is the NSN for 276338?
276338 is cataloged in the U.S. Government catalog under NSN 5340-00-474-5605. 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.