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238A638-1 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

238A638-1: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include special_features: USED TO MOUNT SAFETY SHIELD COVERING ELECTRICAL TERMINALS, end_item_identification: AIRCRAFT, H-60, part_name_assigned_by_controlling_agency: STANDOFF, ALT ITEM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-549-5995, 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
238A638-1
NSN: 5340-01-549-5995
FSC: 5340 — Hardware, Commercial
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
special_featuresUSED TO MOUNT SAFETY SHIELD COVERING ELECTRICAL TERMINALS
end_item_identificationAIRCRAFT, H-60
part_name_assigned_by_controlling_agencySTANDOFF, ALT ITEM
NSN5340-01-549-5995
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 238A638-1 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESUSED TO MOUNT SAFETY SHIELD COVERING ELECTRICAL TERMINALS
PART NAME ASSIGNED BY CONTROLLING AGENCYSTANDOFF, ALT ITEM
END ITEM IDENTIFICATIONAIRCRAFT, H-60
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 238A638-1?
238A638-1 is a STANDOFF,THREADED,SPACING.
What is the NSN for 238A638-1?
238A638-1 is cataloged in the U.S. Government catalog under NSN 5340-01-549-5995. This indicates validated use in U.S. government and defense supply chains.
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