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547958 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

547958: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include drive_type: RAISED RIB, design_type: FRICTION, overall_diameter: 2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN, features_provided: SHOULDER, surface_treatment: ANODIZE, opening_inside_diameter_for_which_designed: 2.590 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-099-8615, 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
547958
NSN: 5305-00-099-8615
NIINs: 000998615, 013625159
FSC: 5305 — Screws
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
drive_typeRAISED RIB
design_typeFRICTION
overall_diameter2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN
features_providedSHOULDER
surface_treatmentANODIZE
opening_inside_diameter_for_which_designed2.590 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN
surface_treatment_document_and_classificationMIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5305-00-099-8615
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 547958 · 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 547958?
547958 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 547958?
547958 is cataloged in the U.S. Government catalog under NSN 5305-00-099-8615. 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.