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1D50638-501 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1D50638-501: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 1.080 INCHES NOMINAL IN, overall_length: 1.780 INCHES NOMINAL IN, material_document_and_classification: LOCKHEED CORP, ST-0745-02 MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-263-2940, 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
1D50638-501
NSN: 5340-01-263-2940
FSC: 5340 — Hardware, Commercial
CAGE: 32865 — DRS NETWORK & IMAGING SYSTEMS LLC (USA)
SPECIFICATIONS
materialRUBBER
overall_height1.080 INCHES NOMINAL IN
overall_length1.780 INCHES NOMINAL IN
material_document_and_classificationLOCKHEED CORP, ST-0745-02 MFR REF SINGLE MATERIAL RESPONSE
NSN5340-01-263-2940
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1D50638-501 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: LOCKHEED CORP, ST-0745-02 MFR REF SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.080 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONLOCKHEED CORP, ST-0745-02 MFR REF SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.780 INCHES NOMINAL IN
MATERIALRUBBER
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1D50638-501?
1D50638-501 is a BUMPER.
What is the NSN for 1D50638-501?
1D50638-501 is cataloged in the U.S. Government catalog under NSN 5340-01-263-2940. 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.