PartsTable TECHNICAL DATA SHEET
NSN 2530-01-645-9227Government record, cited

Parts Kit, Disk Brake2530-01-645-9227

NSN 2530-01-645-9227 · NIIN 016459227 · Part number S-31623
Hendrickson Trailer Suspension Systems · FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components · CAGE 4Q4K2
Government record, cited
NSN 2530-01-645-9227 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-645-9227. Manufacturer of record part number: S-31623.
Also searched as  2530-01-645-9227 · 2530016459227 · NIIN 016459227 · 01-645-9227 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 4Q4K2 · S-31623 · 121658
Nearby stock numbers  ·
Features
  • Parts Kit,disk Brake — FSC 2530
  • Component Quantity: 4
  • Nonsupply Items and Quantities: E 20 TORX HD BOLT 1; HARDENED WASHER FLAT 2; HEX NUT SELF-LOCKING 1
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Hendrickson Trailer Suspension Systems
Identification
  • NSN: 2530-01-645-9227
  • NIIN: 016459227
  • FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: S-31623
  • Manufacturer: Hendrickson Trailer Suspension Systems
General Description

The Parts Kit,disk Brake, cataloged under National Stock Number 2530-01-645-9227, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Hendrickson Trailer Suspension Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-01-645-9227
Primary Part NumberS-31623
Item NameParts Kit,disk Brake
FSC / FSG2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
ManufacturerHendrickson Trailer Suspension Systems
StatusACTIVE
Component Quantity4
Nonsupply Items and QuantitiesE 20 TORX HD BOLT 1; HARDENED WASHER FLAT 2; HEX NUT SELF-LOCKING 1
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
121658 Haulmark Trailers (australia) Pty Ltd (AUS)
S-31623 PRIMARY Hendrickson Trailer Suspension Systems (USA)
No interchangeability data on file.
Other items in FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2530-00-001-0012
WHEEL,SOLID RUBBER TIRE
2530-00-001-0035
2530-00-001-0035 · Item name not on file
2530-00-001-2633
2530-00-001-2633 · Item name not on file
2530-00-001-3371
2530-00-001-3371 · Item name not on file
2530-00-001-3390
2530-00-001-3390 · Item name not on file
2530-00-001-3393
2530-00-001-3393 · Item name not on file
2530-00-001-3426
BOOT,VEHICULAR COMPONENTS
2530-00-001-3427
2530-00-001-3427 · Item name not on file

Frequently Asked Questions

What is NSN 2530-01-645-9227?

NSN 2530-01-645-9227 is a Parts Kit,disk Brake, manufactured by Hendrickson Trailer Suspension Systems, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What part numbers are listed for NSN 2530-01-645-9227?

NSN 2530-01-645-9227 has 2 manufacturer part numbers on file: 121658 (Haulmark Trailers (australia) Pty Ltd), S-31623 (Hendrickson Trailer Suspension Systems).

What are the specifications of S-31623?

Key specifications for S-31623: Component Quantity: 4; Nonsupply Items and Quantities: E 20 TORX HD BOLT 1; HARDENED WASHER FLAT 2; HEX NUT SELF-LOCKING 1; Special Features: BOLT THREAD LENGTH 2-1/4, FASTENER LENGTH 9-7/8IN, RH THREAD DIRECTION; WASHER HOLE DIA 31/32IN, OD 1-3/4IN, ROUND CENTER HOLE, RECTANGULAR CROSS SECTION; NUT 7/8IN THREAD SIZE, RH, UNC THREAD SERIES, FLAT BEARING SURFACE IN; Part Name Assigned by Controlling Agency: KIT, PIVOT BOLT, STANDARD. 2 specifications are documented in the U.S. Government catalog.

Is NSN 2530-01-645-9227 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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