NSN 3110-01-438-0117 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-438-0117. Manufacturer of record part number: 21569.
The Bearing,ball,annular, cataloged under National Stock Number 3110-01-438-0117, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Coffin Turbo Pump Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Bearing,ball,annular
FSC / FSG
3110 — Bearings, Antifriction, Unmounted (FSG 31)
Manufacturers
Coffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
Parameter
Value
NSN
3110-01-438-0117
Primary Part Number
21569
Item Name
Bearing,ball,annular
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Coffin Turbo Pump Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-478-867921569-1004-1POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
2040-01-479-2176701-2485371 P/N 60POSSIBLE MATCH
CUSHION,DOOR STOP
Possible match (shared part number)Naval Sea Systems Command
6545-01-593-55042525-01094POSSIBLE MATCH
INTUBATION KIT,AIRWAY
Possible match (shared part number)Bound Tree Medical Llc Div Bound Tree Medical
NSN 3110-01-438-0117 is a Bearing,ball,annular, manufactured by Coffin Turbo Pump Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-438-0117?
NSN 3110-01-438-0117 has 1 manufacturer part number on file: 21569 (Coffin Turbo Pump Inc).
What NSN replaces 3110-01-438-0117?
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-478-8679, 2040-01-479-2176, 6545-01-593-5504. Verify interchangeability with system specifications before substitution.
Is NSN 3110-01-438-0117 hazardous material?
No hazard code in the DLA record (HMIC N). 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.