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16L004-91 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

16L004-91: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.660 INCHES NOMINAL IN, overall_diameter: 1.178 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN, special_features: USE ON F-16 A/C T.O F16A-4-32 FIG10 INDEX 7A A, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-326-9685, 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
16L004-91
NSN: 5310-01-326-9685
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.660 INCHES NOMINAL IN
overall_diameter1.178 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
special_featuresUSE ON F-16 A/C T.O F16A-4-32 FIG10 INDEX 7A A
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationF-16 A/C; T.O F16A-4-32 FIG10 INDEX 7A A
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 3652 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-D-3308 TYPE II GRADE 1 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-326-9685
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 16L004-91 · 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: 1.178 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3652 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-D-3308 TYPE II GRADE 1 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.178 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3652 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-D-3308 TYPE II GRADE 1 FED STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESUSE ON F-16 A/C T.O F16A-4-32 FIG10 INDEX 7A A
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONF-16 A/C; T.O F16A-4-32 FIG10 INDEX 7A A
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.660 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
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

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 16L004-91?
16L004-91 is a WASHER,FLAT.
What is the NSN for 16L004-91?
16L004-91 is cataloged in the U.S. Government catalog under NSN 5310-01-326-9685. This indicates validated use in U.S. government and defense supply chains.
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