PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1243/7Seal,plain

Apm Hexseal Corp · NSN 5330-01-312-0616 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-312-0616 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-312-0616. Primary manufacturer part number: 1243/7.
Features
  • Seal,plain — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Apm Hexseal Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-312-0616, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Apm Hexseal Corp. 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.

Catalog Facts
Item NameSeal,plain
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersApm Hexseal Corp (CAGE 97539); Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232)
Technical Specifications
ParameterValue
NSN5330-01-312-0616
Primary Part Number1243/7
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerApm Hexseal Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1560-00-092-345312437 INTERCHANGEABLE
Muffler Assembly,ai
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5330-00-494-242110014234 INTERCHANGEABLE
Seal,plain Encased
Us Army Aviation and Missile Command
5950-00-834-50882031191 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-01-148-101812437 INTERCHANGEABLE
Resistor
Giga-Tronics Incorporated Dba Giga-Tronics
3040-01-327-047812437 INTERCHANGEABLE
Carrier,planetary Gears
DP Mfg Inc
Cross-Reference Index
Part NumberManufacturer
1243/7 PRIMARY Apm Hexseal Corp (USA)
334290 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
1560-00-092-3453INTERCHANGEABLE
MUFFLER ASSEMBLY,AI
12437
5330-00-494-2421INTERCHANGEABLE
SEAL,PLAIN ENCASED
10014234
5950-00-834-5088INTERCHANGEABLE
TRANSFORMER,POWER
2031191
5905-01-148-1018INTERCHANGEABLE
RESISTOR
12437
3040-01-327-0478INTERCHANGEABLE
CARRIER,PLANETARY GEARS
12437

Frequently Asked Questions

What is NSN 5330-01-312-0616?

NSN 5330-01-312-0616 is a Seal,plain, manufactured by Apm Hexseal Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-312-0616?

NSN 5330-01-312-0616 has 2 cross-referenced part numbers: 1243/7 (Apm Hexseal Corp), 334290 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5330-01-312-0616?

There are 5 known substitutes for 5330-01-312-0616: 1560-00-092-3453, 5330-00-494-2421, 5950-00-834-5088 and 2 more. Verify interchangeability with system specifications before substitution.

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