PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251-03Fixture,aircraft Maintenance

Hamilton Sundstrand Corporation · NSN 4920-00-107-0316 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-107-0316 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-107-0316. Primary manufacturer part number: 251-03.
Features
  • Fixture,aircraft Maintenance — FSC 4920
  • Nominal Overall Width: 12.625 INCHES IN
  • Nominal Overall Length: 24.625 INCHES IN
  • Nominal Overall Height: 6.625 INCHES IN
  • Reference Data and Literature: SUNSTRAND AVIATION DRAWING NUMBER251-03, T.O.33D7-6-170-1 & 9H6-3-31-4
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-107-0316, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-107-0316
Primary Part Number251-03
Item NameFixture,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Nominal Overall Width12.625 INCHES IN
Nominal Overall Length24.625 INCHES IN
Nominal Overall Height6.625 INCHES IN
Reference Data and LiteratureSUNSTRAND AVIATION DRAWING NUMBER251-03, T.O.33D7-6-170-1 & 9H6-3-31-4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-025-8850 INTERCHANGEABLE
Contact,electrical
6105-00-117-3966T0765A INTERCHANGEABLE
Motor,direct Current
Kollmorgen Corp
5330-00-362-92998928967 INTERCHANGEABLE
Gasket
Rolls-Royce Solutions America Inc
5310-00-805-763225103 INTERCHANGEABLE
Washer,flat
Goodrich Corporation Dba Goodrich Corp
5133-00-865-422488810 INTERCHANGEABLE
Bit,spade,wood Boring
Stanley Tools Div of Stanley Works
6130-01-033-080825103 INTERCHANGEABLE
Power Supply
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
4330-01-120-465825103 INTERCHANGEABLE
Filter Element,fluid
Pall Aeropower Corporation
5365-01-230-48473088A161 INTERCHANGEABLE
Shim
Mcmaster-Carr Supply Co
5950-01-304-40522510-3 INTERCHANGEABLE
Transformer,power
Staco Energy Products Co Dba Staco Energy Products Co
9340-01-305-7885 INTERCHANGEABLE
Glass,laminated
Cross-Reference Index
Part NumberManufacturer
4S90823-101A Lockheed Martin Corp (USA)
251-03 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
5999-00-025-8850INTERCHANGEABLE
CONTACT,ELECTRICAL
6105-00-117-3966INTERCHANGEABLE
MOTOR,DIRECT CURRENT
T0765A
5330-00-362-9299INTERCHANGEABLE
GASKET
8928967
5310-00-805-7632INTERCHANGEABLE
WASHER,FLAT
25103
5133-00-865-4224INTERCHANGEABLE
BIT,SPADE,WOOD BORING
88810
6130-01-033-0808INTERCHANGEABLE
POWER SUPPLY
25103
4330-01-120-4658INTERCHANGEABLE
FILTER ELEMENT,FLUID
25103
5365-01-230-4847INTERCHANGEABLE
SHIM
3088A161
5950-01-304-4052INTERCHANGEABLE
TRANSFORMER,POWER
2510-3
9340-01-305-7885INTERCHANGEABLE
GLASS,LAMINATED
5330-01-390-4718INTERCHANGEABLE
GASKET
5123812
8470-01-506-6454INTERCHANGEABLE
PAD,HELMET,ADVANCED COMBAT

Frequently Asked Questions

What is NSN 4920-00-107-0316?

NSN 4920-00-107-0316 is a Fixture,aircraft Maintenance, manufactured by Hamilton Sundstrand Corporation, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-107-0316?

NSN 4920-00-107-0316 has 2 cross-referenced part numbers: 4S90823-101A (Lockheed Martin Corp), 251-03 (Hamilton Sundstrand Corporation).

What NSN replaces 4920-00-107-0316?

There are 12 known substitutes for 4920-00-107-0316: 5999-00-025-8850, 6105-00-117-3966, 5330-00-362-9299 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251-03?

Key specifications for 251-03: Nominal Overall Width: 12.625 INCHES IN; Special Features: REQUESTED NAME-LAPPING KIT, VARIABLE WOBBLER-CONSTANT SPEED DRIVE; INCLUDES LAPPING DRIVER PLATE, LAPPING HOLDER FIXTURE, LAPPING PLATE; Nominal Overall Length: 24.625 INCHES IN; Nominal Overall Height: 6.625 INCHES 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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