PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9978048Insert,screw Thread

Us Army Aviation and Missile Command · NSN 5325-00-849-3903 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-849-3903 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-849-3903. Primary manufacturer part number: 9978048.
Features
  • Insert,screw Thread — FSC 5325
  • Nominal Thread Size: 0.164 INCHES IN
  • Insert Size: 0.250-20 UNC 3A A
  • Style Designator: KEYLOCK
  • Material Document and Classification: QQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL COMP 1117 OVERALL
  • Top Unthreaded Portion Outside Diameter: 0.182 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1117 Overall construction
General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-00-849-3903, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-849-3903
Primary Part Number9978048
Item NameInsert,screw Thread
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Nominal Thread Size0.164 INCHES IN
Insert Size0.250-20 UNC 3A A
Style DesignatorKEYLOCK
Material Document and ClassificationQQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 1117 OVERALL
Top Unthreaded Portion Outside Diameter0.182 INCHES NOMINAL IN
Top Portion Unthreaded Outside Length0.037 INCHES NOMINAL IN
Width Across Flats0.250 INCHES NOMINAL IN
Thread Quantity Per Inch32
Length0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5365-00-159-158512415 INTERCHANGEABLE
Ring
Hein Werner Corp
4730-00-163-0238 INTERCHANGEABLE
Nut,tube Coupling
5950-00-199-3894136C950H01 INTERCHANGEABLE
Transformer,current
Northrop Grumman Support Services Corp
5136-00-580-7353 INTERCHANGEABLE
Tap,thread Cutting
3110-00-763-910177203-625 INTERCHANGEABLE
Bearing,ball,annular
Hoover Group Inc Ball and Roller Div
6145-00-889-8551SAE-J1128 TYPE GPT 16AWG-RED INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
4730-01-211-091312415 INTERCHANGEABLE
Ferrule,brazing,tube Fitting
Westerbeke Corporation
6685-01-429-127912415 INTERCHANGEABLE
Thermometer,self-Indicating,digi
Simpson Electric Company, Inc.
5120-01-444-8889 INTERCHANGEABLE
Adapter,socket Wrench
Cross-Reference Index
Part NumberManufacturer
9978048 PRIMARY Us Army Aviation and Missile Command (USA)
124-1-5 Stanley Engineered Fastening Llc (USA)
Related Parts
5365-00-159-1585INTERCHANGEABLE
RING
12415
4730-00-163-0238INTERCHANGEABLE
NUT,TUBE COUPLING
5950-00-199-3894INTERCHANGEABLE
TRANSFORMER,CURRENT
136C950H01
5136-00-580-7353INTERCHANGEABLE
TAP,THREAD CUTTING
3110-00-763-9101INTERCHANGEABLE
BEARING,BALL,ANNULAR
77203-625
6145-00-889-8551INTERCHANGEABLE
WIRE,ELECTRICAL
SAE-J1128 TYPE GPT 16AWG-RED
4730-01-211-0913INTERCHANGEABLE
FERRULE,BRAZING,TUBE FITTING
12415
6685-01-429-1279INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,DIGI
12415
5120-01-444-8889INTERCHANGEABLE
ADAPTER,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5325-00-849-3903?

NSN 5325-00-849-3903 is a Insert,screw Thread, manufactured by Us Army Aviation and Missile Command, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-849-3903?

NSN 5325-00-849-3903 has 2 cross-referenced part numbers: 9978048 (Us Army Aviation and Missile Command), 124-1-5 (Stanley Engineered Fastening Llc).

What NSN replaces 5325-00-849-3903?

There are 9 known substitutes for 5325-00-849-3903: 5365-00-159-1585, 4730-00-163-0238, 5950-00-199-3894 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9978048?

Key specifications for 9978048: Nominal Thread Size: 0.164 INCHES IN; Insert Size: 0.250-20 UNC 3A A; Style Designator: KEYLOCK; Material Document and Classification: QQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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