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21555-1 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
Hama · BOLT SCREW
PRODUCT OVERVIEW

21555-1: DIAPHRAGM,VALVE,FLAT.

Offer protection to your Apple iPhone 14 Pro Max! This cover protects your smartphone reliably against scratches. Whoever likes to have an unobtrusive accessory will certainly be pleased with this transparent cover.

- Flexible cover for perfect all-round protection - Non-slip surface provides a comfortable grip - The design of the smartphone remains visible This part is cataloged in the U.S. Government catalog under NSN 5325-00-488-4219, 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
21555-1
NSN: 5325-00-488-4219
NIINs: 004884219, 012087060
FSC: 5325 — Fastening Devices
CAGE: 02121 — GOODRICH AEROSPACE CANADA LTD (CAN)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OR COPPER ALLOY OR RUBBER CHLOROPRENE CLASS CR
outside_diameter3.620 INCHES NOMINAL IN
material_thickness0.120 INCHES NOMINAL IN
NSN5325-00-488-4219
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21555-1 · Hama ⚠ 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
•
USAGE DESIGN: EXTERNAL OR INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DIAMETER: 0.080 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
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CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.910 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL OR INTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DIAMETER0.080 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.910 INCHES NOMINAL IN
INSIDE DIAMETER1.750 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SURFACE TREATMENTCADMIUM OR ZINC AND CHROMATE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 21555-1?
21555-1 is a DIAPHRAGM,VALVE,FLAT manufactured by Hama.
What is the NSN for 21555-1?
21555-1 is cataloged in the U.S. Government catalog under NSN 5325-00-488-4219. 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.