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7550480 — MICROPHONE,CRYSTAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7550480: MICROPHONE,CRYSTAL.

The MICROPHONE,CRYSTAL is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, overall_length: 1.750 INCHES NOMINAL IN, style_designator: SQUARE, end_item_identification: CABINET,SOF EXTERIOR COMMUNICATIONS, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-549-8334, 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
7550480
NSN: 5305-01-549-8334
NIINs: 015498334, 015500923, 015500927, 015514487, 015527810
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
overall_length1.750 INCHES NOMINAL IN
style_designatorSQUARE
end_item_identificationCABINET,SOF EXTERIOR COMMUNICATIONS
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5305-01-549-8334
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7550480 · 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
SUBSTITUTES & CROSS-REFERENCES 5
281250-0010Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4201081-1103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
281250-0010-83Reference document
Same NSN cross-reference
Reference document — Secondary reference
G547-0002-281250-0010-83Reference document
Same NSN cross-reference
Reference document — Secondary reference
281250-0010 ITEM 83Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7550480?
7550480 is a MICROPHONE,CRYSTAL.
What parts can replace 7550480?
There are 5 known substitutes for 7550480: 281250-0010, 4201081-1103, 281250-0010-83 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7550480?
7550480 is cataloged in the U.S. Government catalog under NSN 5305-01-549-8334. 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.