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258854 — RIB,STIFFENER,AIRCRAFT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

258854: RIB,STIFFENER,AIRCRAFT.

The RIB,STIFFENER,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 1A A, hole_diameter: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-090-3736, 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
258854
NSN: 5310-00-090-3736
NIINs: 000903736, 002087350, 016463822, 016463824, 016463825
FSC: 5310 — Nuts and Washers
CAGE: 96487 — VALCOR ENGINEERING CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
thread_class1A A
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity6
thread_length0.845 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN
fastener_length0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
special_featuresTOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY.
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5310-00-090-3736
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 258854 · 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
•
OVERALL DIAMETER: 0.406 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.047 INCHES NOMINAL IN
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.406 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALALUMINUM ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.047 INCHES NOMINAL IN
THICKNESS0.031 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 258854?
258854 is a RIB,STIFFENER,AIRCRAFT.
What is the NSN for 258854?
258854 is cataloged in the U.S. Government catalog under NSN 5310-00-090-3736. This indicates validated use in U.S. government and defense supply chains.
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