The Actuator,spring Brake, cataloged under National Stock Number 2530-01-688-9906, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5360-01-688-99144951680-69POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Hamilton Sundstrand Corporation
4820-01-689-03184952361-8POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Hamilton Sundstrand Corporation
4820-01-689-03524952447-34POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Hamilton Sundstrand Corporation
4820-01-689-04364952447-57POSSIBLE MATCH
BALL,CHECK
Possible match (shared part number)Hamilton Sundstrand Corporation
4930-01-689-07114952447-8POSSIBLE MATCH
FILTER,FLUID
Possible match (shared part number)Hamilton Sundstrand Corporation
4940-01-689-07284952375-18POSSIBLE MATCH
COVER,PROTECTIVE,DUST AND MOISTU
Possible match (shared part number)Hamilton Sundstrand Corporation
4810-01-689-28114952447-15POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)Hamilton Sundstrand Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
4952361-12
3/2Design control — primary reference
U.S. Government activity
4952447/SHEET 2
C/1Advisory reference — outside the item-of-supply concept
Rtx Corporation Div Pratt & Whitney
Related Parts
5360-01-688-9914POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
4951680-69
4820-01-689-0318POSSIBLE MATCH
PISTON,VALVE
4952361-8
4820-01-689-0352POSSIBLE MATCH
DISK,VALVE
4952447-34
4820-01-689-0436POSSIBLE MATCH
BALL,CHECK
4952447-57
4930-01-689-0711POSSIBLE MATCH
FILTER,FLUID
4952447-8
4940-01-689-0728POSSIBLE MATCH
COVER,PROTECTIVE,DUST AND MOISTU
4952375-18
4810-01-689-2811POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
4952447-15
Frequently Asked Questions
What is NSN 2530-01-688-9906?
NSN 2530-01-688-9906 is a Actuator,spring Brake, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
What NSN replaces 2530-01-688-9906?
7 possible matches (shared part number, not a government interchangeability claim): 5360-01-688-9914, 4820-01-689-0318, 4820-01-689-0352. Verify interchangeability with system specifications before substitution.
Is NSN 2530-01-688-9906 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.