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AA-STD-1 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AA-STD-1: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL, surface_finish: 125.0 MICROINCHES RIGHT SIDE, hardness_rating: 31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM, inside_diameter: 1.4996 INCHES MINIMUM AND 1.5001 INCHES MAXIMUM IN, outside_diameter: 1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN, surface_treatment: CADMIUM. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-945-0238, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AA-STD-1
NSN: 5365-00-945-0238
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL
surface_finish125.0 MICROINCHES RIGHT SIDE
hardness_rating31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
inside_diameter1.4996 INCHES MINIMUM AND 1.5001 INCHES MAXIMUM IN
outside_diameter1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
surface_treatmentCADMIUM
NSN5365-00-945-0238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN AA-STD-1 MFR SPACER,RING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES RIGHT SIDE
•
OUTSIDE DIAMETER: 1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
•
HARDNESS RATING: 31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
•
INSIDE DIAMETER: 1.4996 INCHES MINIMUM AND 1.5001 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES RIGHT SIDE
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH125.0 MICROINCHES LEFT SIDE
SURFACE FINISH125.0 MICROINCHES BORE
OUTSIDE DIAMETER1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
HARDNESS RATING31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER1.4996 INCHES MINIMUM AND 1.5001 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 3
HP8-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
009450238-04246Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
369A1303Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA-STD-1?
AA-STD-1 is a SPACER,RING.
What parts can replace AA-STD-1?
There are 3 known substitutes for AA-STD-1: HP8-5, 009450238-04246, 369A1303. Substitute compatibility should be verified for your specific system.
What is the NSN for AA-STD-1?
AA-STD-1 is cataloged in the U.S. Government catalog under NSN 5365-00-945-0238. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.