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SS5091-03-4 — NUT,PLAIN,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SS5091-03-4: NUT,PLAIN,PLATE.

The NUT,PLAIN,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.190 INCHES IN, nut_mounting_provision: COUNTERSUNK HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-110-6989, 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
SS5091-03-4
NSN: 5310-01-110-6989
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES IN
nut_mounting_provisionCOUNTERSUNK HOLES
thread_quantity_per_inch32
mounting_hole_arrangement_style2 HOLES
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-110-6989
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SS5091-03-4 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
NOMINAL THREAD SIZE0.190 INCHES IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD QUANTITY PER INCH32
MATERIALSTEEL OVERALL
NUT MOUNTING PROVISIONCOUNTERSUNK HOLES
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
SS5091-03-03Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS5091-03-4?
SS5091-03-4 is a NUT,PLAIN,PLATE.
What parts can replace SS5091-03-4?
There is 1 known substitute for SS5091-03-4: SS5091-03-03. Substitute compatibility should be verified for your specific system.
What is the NSN for SS5091-03-4?
SS5091-03-4 is cataloged in the U.S. Government catalog under NSN 5310-01-110-6989. This indicates validated use in U.S. government and defense supply chains.
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