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157-628 — INSERT,PUNCH HAMMER,TELETYPEWRIT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

157-628: INSERT,PUNCH HAMMER,TELETYPEWRIT.

INSERT,PUNCH HAMMER,TELETYPEWRIT. This part is cataloged in the U.S. Government catalog under NSN 5331-00-061-7055, 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
MRO→ MRO_GENERAL→ 157-628
NSN: 5331-00-061-7055
NIINs: 000617055, 005452832
FSC: 5331 — O-ring
CAGE: 25980 — GRACO INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATL STEEL; FINISH COPPER; 0.553 IN. LG; 0.085 IN. W; 0.180 IN. H; HEAD 0.553 IN. LG; 0.045 IN. W; 0.092 IN. H; SLOT 0.054 IN. LG; 0.0275 IN. W IN
NSN5331-00-061-7055
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 157-628 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
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MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
MATERIALRUBBER SYNTHETIC
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 157-628?
157-628 is a INSERT,PUNCH HAMMER,TELETYPEWRIT. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 157-628?
157-628 is cataloged in the U.S. Government catalog under NSN 5331-00-061-7055. 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.