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158998 — MECHANISM ASSY,LOCALIZER

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

158998: MECHANISM ASSY,LOCALIZER.

The MECHANISM ASSY,LOCALIZER is a the manufacturer industrial component. Key specifications include end_item_identification: AN/ARN-204 (ID-351 INDICATOR). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-392-8214, 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
MRO→ MRO_GENERAL→ 158998
NSN: 5310-00-392-8214
NIINs: 003928214, 006500519
FSC: 5310 — Nuts and Washers
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
end_item_identificationAN/ARN-204 (ID-351 INDICATOR)
NSN5310-00-392-8214
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 158998 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: RETAINER STEEL,0.540 IN. LG,0.497 IN. W,0.380 IN. H,NUT STEEL,0.380 IN. W,0.250 IN. H,0.250-20 THD,HEX HEAD BOLT,STEEL,0.250-20 THD IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRETAINER STEEL,0.540 IN. LG,0.497 IN. W,0.380 IN. H,NUT STEEL,0.380 IN. W,0.250 IN. H,0.250-20 THD,HEX HEAD BOLT,STEEL,0.250-20 THD IN
SUBSTITUTES & CROSS-REFERENCES 6
600087-212-009Reference document
Same NSN cross-reference
Reference document — Secondary reference
529364Reference document
Same NSN cross-reference
Reference document — Secondary reference
C7998-1420Reference document
Same NSN cross-reference
Reference document — Secondary reference
893-003CReference document
Same NSN cross-reference
Reference document — Secondary reference
57A100C176-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
53578-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 158998?
158998 is a MECHANISM ASSY,LOCALIZER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 158998?
There are 6 known substitutes for 158998: 600087-212-009, 529364, C7998-1420 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 158998?
158998 is cataloged in the U.S. Government catalog under NSN 5310-00-392-8214. 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.