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51141 — LEVER,BREECHBLOCK,COCKING

✓ Government record, cited
Bestway · ORING SEAL
PRODUCT OVERVIEW

51141: LEVER,BREECHBLOCK,COCKING.

The LEVER,BREECHBLOCK,COCKING is a Bestway industrial component. Key specifications include fsc_application_data: NHA ARCRA ASSEMBLY NO 51130, end_item_identification: AIMTEST CAL .50 INBORE TRAINING DEVICE, part_name_assigned_by_controlling_agency: LEVER ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-251-3199, 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
51141
NSN: 5330-00-251-3199
NIINs: 002513199, 004789883, 014872456
FSC: 5330 — Packing and Gasket Materials
CAGE: 33844 — KLAUER MANUFACTURING COMPANY (USA)
SPECIFICATIONS
fsc_application_dataNHA ARCRA ASSEMBLY NO 51130
end_item_identificationAIMTEST CAL .50 INBORE TRAINING DEVICE
part_name_assigned_by_controlling_agencyLEVER ASSEMBLY
NSN5330-00-251-3199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51141 MFR: Bestway ⚠ 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
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.281 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 2.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
APERTURE DIAMETER2.281 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER2.875 INCHES NOMINAL IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 7
27582Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S318Reference document
Same NSN cross-reference
Reference document — Secondary reference
XVP-2546Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
851615Reference document
Same NSN cross-reference
Reference document — Secondary reference
2546Reference document
Same NSN cross-reference
Reference document — Secondary reference
B-2546Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51141?
51141 is a LEVER,BREECHBLOCK,COCKING manufactured by Bestway.
What parts can replace 51141?
There are 7 known substitutes for 51141: 27582, S318, XVP-2546 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51141?
51141 is cataloged in the U.S. Government catalog under NSN 5330-00-251-3199. This indicates validated use in U.S. government and defense supply chains.
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