PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1138Disc,brake

Thern Inc · NSN 3040-01-291-5291 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-291-5291 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-291-5291. Primary manufacturer part number: A1138.
Features
  • Disc,brake — FSC 3040
  • 3 verified cross-references
  • Primary manufacturer: Thern Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disc,brake, cataloged under National Stock Number 3040-01-291-5291, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Thern Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-291-5291
Primary Part NumberA1138
Item NameDisc,brake
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerThern Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-067-8488A1593 INTERCHANGEABLE
Elbow,pipe to Tube
Mueller Brass Co.
6105-00-507-7230A1593 INTERCHANGEABLE
Pin,brush,motor
Aerocontrolex Group, Inc. Div Talley Actuators
5970-00-771-338110DGBW34 INTERCHANGEABLE
Insulator,washer
Fwd Seagrave Holdings Lp
4920-00-862-1924 INTERCHANGEABLE
Ball
8455-01-528-9409 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-660-5788 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-7251 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-7253 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1138 PRIMARY Thern Inc (USA)
D1028 PIECE 1 Thern Inc (USA)
A1593 Thern Inc (USA)
Related Parts
4730-00-067-8488INTERCHANGEABLE
ELBOW,PIPE TO TUBE
A1593
6105-00-507-7230INTERCHANGEABLE
PIN,BRUSH,MOTOR
A1593
5970-00-771-3381INTERCHANGEABLE
INSULATOR,WASHER
10DGBW34
4920-00-862-1924INTERCHANGEABLE
BALL
8455-01-528-9409INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-660-5788INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-7251INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-7253INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3040-01-291-5291?

NSN 3040-01-291-5291 is a Disc,brake, manufactured by Thern Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-291-5291?

NSN 3040-01-291-5291 has 3 cross-referenced part numbers: A1138 (Thern Inc), D1028 PIECE 1 (Thern Inc), A1593 (Thern Inc).

What NSN replaces 3040-01-291-5291?

There are 8 known substitutes for 3040-01-291-5291: 4730-00-067-8488, 6105-00-507-7230, 5970-00-771-3381 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1138?

Key specifications for A1138: Special Features: SCANPAC 230AF MATERIAL O/A;2.812 IN.OD,0.125 IN.THK,1.284 IN.SQ CENTR HOLE IN; End Item Identification: ELEC WINCH,THERN INC. 2 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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