PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40135Packing Nut

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4730-01-521-4312 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-521-4312 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-521-4312. Primary manufacturer part number: 40135.
Features
  • Packing Nut — FSC 4730
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Packing Nut, cataloged under National Stock Number 4730-01-521-4312, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-521-4312
Primary Part Number40135
Item NamePacking Nut
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-031-7634520 INTERCHANGEABLE
Faucet,double
Delta Faucet Co
3110-00-100-365672187 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3455-00-194-051710140 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5950-00-583-4447E13858 INTERCHANGEABLE
Transformer,power
Electro Engineering Works Inc
3431-00-688-97972304-0135 INTERCHANGEABLE
Collet,welding Torch
Messer Llc
3040-00-947-8385 INTERCHANGEABLE
Shaft,straight
5950-01-011-4795100-5-017 INTERCHANGEABLE
Transformer,power
Meggitt (new Hampshire), Inc
5330-01-073-0926 INTERCHANGEABLE
Packing Assembly
5310-01-085-3069L30259 INTERCHANGEABLE
Washer
Cnh Industrial America Llc Dba Cnh America
5330-01-237-7548 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
40135 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
4510-00-031-7634INTERCHANGEABLE
FAUCET,DOUBLE
520
3110-00-100-3656INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
72187
3455-00-194-0517INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10140
5950-00-583-4447INTERCHANGEABLE
TRANSFORMER,POWER
E13858
3431-00-688-9797INTERCHANGEABLE
COLLET,WELDING TORCH
2304-0135
3040-00-947-8385INTERCHANGEABLE
SHAFT,STRAIGHT
5950-01-011-4795INTERCHANGEABLE
TRANSFORMER,POWER
100-5-017
5330-01-073-0926INTERCHANGEABLE
PACKING ASSEMBLY
5310-01-085-3069INTERCHANGEABLE
WASHER
L30259
5330-01-237-7548INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-01-254-1170INTERCHANGEABLE
BALL JOINT
SR-107GLH
6685-01-561-6484INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 4730-01-521-4312?

NSN 4730-01-521-4312 is a Packing Nut, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-521-4312?

NSN 4730-01-521-4312 has 1 cross-referenced part number: 40135 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4730-01-521-4312?

There are 12 known substitutes for 4730-01-521-4312: 4510-00-031-7634, 3110-00-100-3656, 3455-00-194-0517 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40135?

Key specifications for 40135: Special Features: A MACHINED ITEM WITH INTERNAL AND EXTERNAL THREADS WITH THE CUT TO HOLD THE O-RING, A .625 DIA, LENGTH IS ABOUT .8 INCH AND DIAM IS 13/16 HEX MIN. IN; Material: STEEL CORROSION RESISTING; Part Name Assigned by Controlling Agency: TEMP, GAUGE O-RING NUT, G4, G7; End Item Identification: F-15 AIRCRAFT. 4 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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