NSN 5365-01-270-1978 · NIIN 012701978 · Part number 163-.050-B-19
Accurate Screw Machine Corp Div Accurate Screw Machine Corporation · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 51506
Government record, cited
NSN 5365-01-270-1978 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-270-1978. Manufacturer of record part number: 163-.050-B-19.
Also searched as5365-01-270-1978 ·
5365012701978 ·
NIIN 012701978 ·
01-270-1978 ·
FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 51506 · 163-.050-B-19
Outside Diameter: 0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Overall Thickness: 0.050 INCHES NOMINAL IN
Material Document and Classification: QQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter: 0.185 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Material: COPPER ALLOY 360
1 manufacturer part number on file
Manufacturer of record: Accurate Screw Machine Corp Div Accurate Screw Machine Corporation
Identification
NSN: 5365-01-270-1978
NIIN: 012701978
FSC: 5365 — Bushings, Rings, Shims, and Spacers
FSG: 53 — Hardware and Abrasives
Primary part number: 163-.050-B-19
Manufacturer: Accurate Screw Machine Corp Div Accurate Screw Machine Corporation
General Description
The Spacer,ring, cataloged under National Stock Number 5365-01-270-1978, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5365-01-270-1978
Primary Part Number
163-.050-B-19
Item Name
Spacer,ring
FSC / FSG
5365 / 53 — Bushings, Rings, Shims, and Spacers
Manufacturer
Accurate Screw Machine Corp Div Accurate Screw Machine Corporation
Status
ACTIVE
Outside Diameter
0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Overall Thickness
0.050 INCHES NOMINAL IN
Material Document and Classification
QQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE
Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA)
No interchangeability data on file.
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file
Frequently Asked Questions
What is NSN 5365-01-270-1978?
NSN 5365-01-270-1978 is a Spacer,ring, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
What part numbers are listed for NSN 5365-01-270-1978?
NSN 5365-01-270-1978 has 1 manufacturer part number on file: 163-.050-B-19 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
What are the specifications of 163-.050-B-19?
Key specifications for 163-.050-B-19: Outside Diameter: 0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Overall Thickness: 0.050 INCHES NOMINAL IN; Material Document and Classification: QQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 0.185 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5365-01-270-1978 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.