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90-3544 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90-3544: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: TRILLIUM HD-55 EO/MWIR CAMERA SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-566-3943, 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
90-3544
NSN: 5310-01-566-3943
NIINs: 015663943, 017057246
FSC: 5310 — Nuts and Washers
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
special_featuresTRILLIUM HD-55 HIGH PERFORMANCE 5-INCH CLASS STABILIZED EO/MWIR CAMERA SYSTEM FOR SMALL UNMANNED VEHICLES. (GIMBAL: 1780 GRAMS 5.5" X 7.8" SHIPPING CASE: 12LBS 16"X14"X13") LBS
part_name_assigned_by_controlling_agencyTRILLIUM HD-55 EO/MWIR CAMERA SYSTEM
NSN5310-01-566-3943
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90-3544 · 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
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONBLACKMER PUMP, MODELS MLX AND MRL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90-3544?
90-3544 is a WASHER,LOCK.
What is the NSN for 90-3544?
90-3544 is cataloged in the U.S. Government catalog under NSN 5310-01-566-3943. 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.