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Technical Data Sheet
PartsTable / MRO / 1256-47
1256-47 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PINTLE ASSEMBLY,TOWING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-012-5647, 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→ 1256-47
NSN: 5340-00-012-5647
FSC: 5340
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
Part Number1256-47
NSN5340-00-012-5647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1256-47 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
•
DIAMETER: 0.4336 INCHES MINIMUM AND 0.4341 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 360
•
THICKNESS: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613, COMP 1, 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE
•
MACHINED SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.4336 INCHES MINIMUM AND 0.4341 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 360
THICKNESS0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613, COMP 1, 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE
MACHINED SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
11101Interchangeable
interchangeable cross-reference
interchangeable
1256-47Interchangeable
interchangeable cross-reference
interchangeable
ABT11101Interchangeable
interchangeable cross-reference
interchangeable
122-594Interchangeable
interchangeable cross-reference
interchangeable
49160-23300Interchangeable
interchangeable cross-reference
interchangeable
IPD4M8013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1256-47?
1256-47 is a PINTLE ASSEMBLY,TOWING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1256-47?
There are 6 known substitutes for 1256-47: 11101, 1256-47, ABT11101 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1256-47?
1256-47 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-012-5647. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026