PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B252Cover Plate,collima

Lockheed Martin Corp · NSN 4920-00-911-1061 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-911-1061 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-911-1061. Primary manufacturer part number: B252.
Features
  • Cover Plate,collima — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Cover Plate,collima, cataloged under National Stock Number 4920-00-911-1061, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Lockheed Martin Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCover Plate,collima
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersLockheed Martin Corp (CAGE 98897)
Technical Specifications
ParameterValue
NSN4920-00-911-1061
Primary Part NumberB252
Item NameCover Plate,collima
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-114-9631 INTERCHANGEABLE
Bearing,ball,annular
4730-00-388-8801 INTERCHANGEABLE
Tee,pipe
5950-01-010-7001B252 INTERCHANGEABLE
Transformer,power
B G Laboratories Inc.
4330-01-074-21674855745-8 INTERCHANGEABLE
Filter Element,fluid
Kalmar AC Inc
3405-01-156-6105B-25-2 INTERCHANGEABLE
Saw,band,cutoff
W.f. Wells, Inc.
1670-01-582-7702B252 INTERCHANGEABLE
Parachute,personnel,back
North American Aerodynamics, Inc.
Cross-Reference Index
Part NumberManufacturer
B252 PRIMARY Lockheed Martin Corp (USA)
Related Parts
3110-00-114-9631INTERCHANGEABLE
BEARING,BALL,ANNULAR
4730-00-388-8801INTERCHANGEABLE
TEE,PIPE
5950-01-010-7001INTERCHANGEABLE
TRANSFORMER,POWER
B252
4330-01-074-2167INTERCHANGEABLE
FILTER ELEMENT,FLUID
4855745-8
3405-01-156-6105INTERCHANGEABLE
SAW,BAND,CUTOFF
B-25-2
1670-01-582-7702INTERCHANGEABLE
PARACHUTE,PERSONNEL,BACK
B252

Frequently Asked Questions

What is NSN 4920-00-911-1061?

NSN 4920-00-911-1061 is a Cover Plate,collima, manufactured by Lockheed Martin Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-911-1061?

NSN 4920-00-911-1061 has 1 cross-referenced part number: B252 (Lockheed Martin Corp).

What NSN replaces 4920-00-911-1061?

There are 6 known substitutes for 4920-00-911-1061: 3110-00-114-9631, 4730-00-388-8801, 5950-01-010-7001 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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