PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25305Felt,mechanical,preformed

Hdt Expeditionary Systems Inc · NSN 5330-00-329-8971 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-329-8971 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-329-8971. Primary manufacturer part number: 25305.
Features
  • Felt,mechanical,preformed — FSC 5330
  • Material: WOOL OVERALL
  • Cross-Sectional Height: 0.094 INCHES NOMINAL IN
  • Aperture Width: 0.078 INCHES NOMINAL IN
  • Aperture Length: 0.312 INCHES NOMINAL IN
  • Cross-Sectional Width: 0.500 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • 2 verified cross-references
Applications
  • Applications requiring Wool Overall construction
General Description

The Felt,mechanical,preformed, cataloged under National Stock Number 5330-00-329-8971, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hdt Expeditionary Systems 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-329-8971
Primary Part Number25305
Item NameFelt,mechanical,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
MaterialWOOL OVERALL
Cross-Sectional Height0.094 INCHES NOMINAL IN
Aperture Width0.078 INCHES NOMINAL IN
Aperture Length0.312 INCHES NOMINAL IN
Cross-Sectional Width0.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1020-00-144-9100206909PC4 INTERCHANGEABLE
Piston
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-599-645234925 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
1650-00-672-7992 INTERCHANGEABLE
Orifice,air Turbine
5120-01-642-5816 INTERCHANGEABLE
Bit Set,screwdriver
Cross-Reference Index
Part NumberManufacturer
25305 PRIMARY Hdt Expeditionary Systems Inc (USA)
AA7N205 Renk America Llc Div Renk America (USA)
Related Parts
1020-00-144-9100INTERCHANGEABLE
PISTON
206909PC4
5330-00-599-6452INTERCHANGEABLE
SEAL,PLAIN ENCASED
34925
1650-00-672-7992INTERCHANGEABLE
ORIFICE,AIR TURBINE
5120-01-642-5816INTERCHANGEABLE
BIT SET,SCREWDRIVER

Frequently Asked Questions

What is NSN 5330-00-329-8971?

NSN 5330-00-329-8971 is a Felt,mechanical,preformed, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-329-8971?

NSN 5330-00-329-8971 has 2 cross-referenced part numbers: 25305 (Hdt Expeditionary Systems Inc), AA7N205 (Renk America Llc Div Renk America).

What NSN replaces 5330-00-329-8971?

There are 4 known substitutes for 5330-00-329-8971: 1020-00-144-9100, 5330-00-599-6452, 1650-00-672-7992 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25305?

Key specifications for 25305: Overall Width: 0.500 INCHES NOMINAL IN; Material: WOOL OVERALL; Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Aperture Width: 0.078 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com