PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B314Disk Drive Unit

Lockheed Martin Corporation Div Rms - Manassas · NSN 7025-01-458-2134 · FSC 7025 · No Item Name Available
Verified by PartsTable
NSN 7025-01-458-2134 — this item is cataloged by the U.S. Government under National Stock Number 7025-01-458-2134. Primary manufacturer part number: B314.
Features
  • Disk Drive Unit — FSC 7025
  • Criticality Code Justification: FEAT
  • Criticality Code Justification: FEAT
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Manassas
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk Drive Unit, cataloged under National Stock Number 7025-01-458-2134, is classified within Federal Supply Class 7025 (No Item Name Available) of the General Purpose ADP Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN7025-01-458-2134
Primary Part NumberB314
Item NameDisk Drive Unit
FSC / FSG7025 / 70 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Manassas
StatusACTIVE
Criticality Code JustificationFEAT
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVM
Weight3.6020 lbs
Cube0.1639 cu ft
Verified Substitutes 8
4530-00-394-84771220K11PC123 INTERCHANGEABLE
Base,atomizer
Puget Sound Commerce Center, Inc.
5365-00-950-627111776896-10 INTERCHANGEABLE
Shim
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
3120-01-135-4203AM-2 INTERCHANGEABLE
Bearing,sleeve
Roller Bearing Co of America, Inc Div Pic Design
5305-01-538-1847B314 INTERCHANGEABLE
Screw,machine
Endries International, Inc. Dba Servtonics, an Endries International, Inc.
8455-01-559-1367 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-559-3697 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-688-6363 INTERCHANGEABLE
Insignia,grade,enlisted Personne
8455-01-688-7460 INTERCHANGEABLE
Insignia,grade,enlisted Personne
Cross-Reference Index
Part NumberManufacturer
B314 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
7376503-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
7376503-01 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
B314 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
4530-00-394-8477INTERCHANGEABLE
BASE,ATOMIZER
1220K11PC123
5365-00-950-6271INTERCHANGEABLE
SHIM
11776896-10
3120-01-135-4203INTERCHANGEABLE
BEARING,SLEEVE
AM-2
5305-01-538-1847INTERCHANGEABLE
SCREW,MACHINE
B314
8455-01-559-1367INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-559-3697INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-688-6363INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
8455-01-688-7460INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE

Frequently Asked Questions

What is NSN 7025-01-458-2134?

NSN 7025-01-458-2134 is a Disk Drive Unit, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 7025 (No Item Name Available). Status: active.

What are the part numbers for NSN 7025-01-458-2134?

NSN 7025-01-458-2134 has 4 cross-referenced part numbers: B314 (Lockheed Martin Corporation Div Rms - Manassas), 7376503-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 7376503-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), B314 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 7025-01-458-2134?

There are 8 known substitutes for 7025-01-458-2134: 4530-00-394-8477, 5365-00-950-6271, 3120-01-135-4203 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B314?

Key specifications for B314: Criticality Code Justification: FEAT; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; Criticality Code Justification: FEAT; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS. 4 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