PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1243-1Packing,preformed

Houghton International Inc. · NSN 5330-01-057-3131 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-057-3131 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-057-3131. Primary manufacturer part number: 1243-1.
Features
  • Packing,preformed — FSC 5330
  • Peripheral Diameter: 7.188 INCHES MINIMUM AND 7.198 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: CUP
  • Center Hole Diameter: 1.017 INCHES MINIMUM AND 1.032 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.047 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
  • Material: LEATHER OR RUBBER POLYSULFIDE CLASS T OVERALL
  • 2 verified cross-references
Applications
  • Applications requiring Leather or Rubber Polysulfide Class T Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-057-3131, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Houghton International Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-057-3131
Primary Part Number1243-1
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHoughton International Inc.
StatusACTIVE
Peripheral Diameter7.188 INCHES MINIMUM AND 7.198 INCHES MAXIMUM IN
Cross-Sectional Shape StyleCUP
Center Hole Diameter1.017 INCHES MINIMUM AND 1.032 INCHES MAXIMUM IN
Cross-Sectional Thickness0.047 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
Cross-Sectional Height0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
MaterialLEATHER OR RUBBER POLYSULFIDE CLASS T OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-224-4141 INTERCHANGEABLE
Hammer,hand
5360-00-725-587312431 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1630-00-787-252747-500-005-26 INTERCHANGEABLE
Axle,handling Wheel
Bell Textron Inc
3110-00-811-87167011-526PC6 INTERCHANGEABLE
Bearing,roller,tapered
Gibbs & Cox, Inc.
5950-01-011-4796 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
1243-1 PRIMARY Houghton International Inc. (USA)
10291844-1 Us Army Aviation and Missile Command (USA)
Related Parts
5120-00-224-4141INTERCHANGEABLE
HAMMER,HAND
5360-00-725-5873INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12431
1630-00-787-2527INTERCHANGEABLE
AXLE,HANDLING WHEEL
47-500-005-26
3110-00-811-8716INTERCHANGEABLE
BEARING,ROLLER,TAPERED
7011-526PC6
5950-01-011-4796INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5330-01-057-3131?

NSN 5330-01-057-3131 is a Packing,preformed, manufactured by Houghton International Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-057-3131?

NSN 5330-01-057-3131 has 2 cross-referenced part numbers: 1243-1 (Houghton International Inc.), 10291844-1 (Us Army Aviation and Missile Command).

What NSN replaces 5330-01-057-3131?

There are 5 known substitutes for 5330-01-057-3131: 5120-00-224-4141, 5360-00-725-5873, 1630-00-787-2527 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1243-1?

Key specifications for 1243-1: Peripheral Diameter: 7.188 INCHES MINIMUM AND 7.198 INCHES MAXIMUM IN; Cross-Sectional Shape Style: CUP; Center Hole Diameter: 1.017 INCHES MINIMUM AND 1.032 INCHES MAXIMUM IN; Cross-Sectional Thickness: 0.047 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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