PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4858Head Rest,seat

Lockheed Martin Corp · NSN 1680-00-858-4505 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-858-4505 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-858-4505. Primary manufacturer part number: 4858.
Features
  • Head Rest,seat — FSC 1680
  • 5 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Head Rest,seat, cataloged under National Stock Number 1680-00-858-4505, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corp. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-858-4505
Primary Part Number4858
Item NameHead Rest,seat
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5977-00-065-56004858 INTERCHANGEABLE
Brush,electrical Contact
Skil Corp
1650-00-072-5726485-13 INTERCHANGEABLE
Cover,pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5805-00-128-0649SC-C-822 INTERCHANGEABLE
Ringer,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2915-00-148-24744858 INTERCHANGEABLE
Arm-Throttle
Triumph Engine Control Systems Llc
4310-00-592-945960533-060 INTERCHANGEABLE
Cylinder,reciprocating Compresso
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
1680-00-858-04315187-3 INTERCHANGEABLE
Back Assembly,seat
Lockheed Martin Corp
5360-01-028-00541000-104 INTERCHANGEABLE
Spring
Kepner Products Co Div Kepner Products Company
5120-01-073-0378GS15938-1 INTERCHANGEABLE
Tool,extractor,spool
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-01-112-55095055133-1 INTERCHANGEABLE
Transformer,audio Frequency
Sci Technology, Inc
2805-01-498-79594858 INTERCHANGEABLE
Oil Pump Assembly,engine
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
4858 Crestview Aerospace Llc Div Crestview Aerospace (USA)
4858 PRIMARY Lockheed Martin Corp (USA)
7-79288-3 The Conrad Company Dba Conrad Co (USA)
12-78255-3 The Conrad Company Dba Conrad Co (USA)
4858 B/e Aerospace Inc Dba Interturbine (USA)
Related Parts
5977-00-065-5600INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4858
1650-00-072-5726INTERCHANGEABLE
COVER,PUMP
485-13
5805-00-128-0649INTERCHANGEABLE
RINGER,TELEPHONE
SC-C-822
2915-00-148-2474INTERCHANGEABLE
ARM-THROTTLE
4858
4310-00-592-9459INTERCHANGEABLE
CYLINDER,RECIPROCATING COMPRESSO
60533-060
1680-00-858-0431INTERCHANGEABLE
BACK ASSEMBLY,SEAT
5187-3
5360-01-028-0054INTERCHANGEABLE
SPRING
1000-104
5120-01-073-0378INTERCHANGEABLE
TOOL,EXTRACTOR,SPOOL
GS15938-1
5950-01-112-5509INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5055133-1
2805-01-498-7959INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
4858

Frequently Asked Questions

What is NSN 1680-00-858-4505?

NSN 1680-00-858-4505 is a Head Rest,seat, manufactured by Lockheed Martin Corp, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-858-4505?

NSN 1680-00-858-4505 has 5 cross-referenced part numbers: 4858 (Crestview Aerospace Llc Div Crestview Aerospace), 4858 (Lockheed Martin Corp), 7-79288-3 (The Conrad Company Dba Conrad Co), 12-78255-3 (The Conrad Company Dba Conrad Co), 4858 (B/e Aerospace Inc Dba Interturbine).

What NSN replaces 1680-00-858-4505?

There are 10 known substitutes for 1680-00-858-4505: 5977-00-065-5600, 1650-00-072-5726, 5805-00-128-0649 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4858?

Key specifications for 4858: Part Name Assigned by Controlling Agency: HEAD REST ASSY; Special Features: ASSEMBLY COMPRISED OF 45332 SUPPORT ASSY HEADREST (QUANTITY 1);4534 H/R FRAME (QUANTITY 1);4859-1 PRO1 PAD ASSEMBLY (QUANTITY 1);48631 SIDE NET RETAIN (QUANTITY 1);48632 SIDE NET RETAIN (QUANTITY 1);4864 TOP NET RETAIN (QUANTITY 1);51573 NET ASSY (QUANTITY 1); 51731 STRAP ASSY HEADREST; 5159 SHIM WASHER (QUANTITY 1);5183-3 SHOCK PAD ASSEMBLY (QUANTITY 1);M520365 1032 NUT (QUANTITY 2);AN526-1032 R20 SCREW (QUANTITY 2);AN507-632R12 SCREW (QUANTITY 2); AN515-6-5 SCREW (QUANTITY 6);AN960-10L WASHER (QUANTITY 2);AN960C4L WASHER (QUANTITY 6);NUMBER 6 TRIM WASHER (QUANTITY 2); AD42S POP RIVET (QUANTITY 6). 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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