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215263 — SUPPORT,DIAPHRAGM

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

215263: SUPPORT,DIAPHRAGM.

The SUPPORT,DIAPHRAGM is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STAINLESS STEEL AMS5515 OR AMS5516,1.500 IN. MIN 1.520 IN.

MAX O/A DIA,0.180 IN. MIN 0.200 IN. MAX W IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-021-5263, 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
215263
NSN: 5305-00-021-5263
NIINs: 000215263, 003763206
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTAINLESS STEEL AMS5515 OR AMS5516,1.500 IN. MIN 1.520 IN. MAX O/A DIA,0.180 IN. MIN 0.200 IN. MAX W IN
NSN5305-00-021-5263
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 215263 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.000 INCHES NOMINAL IN
•
THREAD LENGTH: 2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
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HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
FASTENER LENGTH4.000 INCHES NOMINAL IN
THREAD LENGTH2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
FFS85TYPE2STYLE10PReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 215263?
215263 is a SUPPORT,DIAPHRAGM.
What parts can replace 215263?
There is 1 known substitute for 215263: FFS85TYPE2STYLE10P. Substitute compatibility should be verified for your specific system.
What is the NSN for 215263?
215263 is cataloged in the U.S. Government catalog under NSN 5305-00-021-5263. 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.