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540628 — CLIP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

540628: CLIP,RETAINING.

The CLIP,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, overall_height: 0.280 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, stock_diameter: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, casehardening_indicator: NOT CASEHARDENED, material_document_and_classification: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-009-0445, 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
540628
NSN: 5340-01-009-0445
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 302
overall_height0.280 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
stock_diameter0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-009-0445
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 540628 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: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE
•
STOCK DIAMETER: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL COMP 302
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.280 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE
STOCK DIAMETER0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL COMP 302
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 540628?
540628 is a CLIP,RETAINING.
What is the NSN for 540628?
540628 is cataloged in the U.S. Government catalog under NSN 5340-01-009-0445. 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.