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75A325991-2007 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

75A325991-2007: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include length: 0.62 INCHES NOMINAL IN, material: ALUMINUM ALLOY 7075 OVERALL, thickness: 0.064 INCHES NOMINAL IN, end_cut_angle: 27.0 RADIANS NOMINAL, hole_diameter: 0.219 INCHES NOMINAL IN, special_features: RIGHT CORNER OF WASHER IS RADIUSED 0.09INCHES;WASHER IS OPPOSITE 03311M1320-108 WASHER IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-618-6447, 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
75A325991-2007
NSN: 5310-01-618-6447
FSC: 5310 — Nuts and Washers
CAGE: U9143 — BAE SYSTEMS (OPERATIONS) LIMITED (GBR)
SPECIFICATIONS
length0.62 INCHES NOMINAL IN
materialALUMINUM ALLOY 7075 OVERALL
thickness0.064 INCHES NOMINAL IN
end_cut_angle27.0 RADIANS NOMINAL
hole_diameter0.219 INCHES NOMINAL IN
special_featuresRIGHT CORNER OF WASHER IS RADIUSED 0.09INCHES;WASHER IS OPPOSITE 03311M1320-108 WASHER IN
surface_treatmentCHROMATE AND PRIMER OVERALL
width_across_flats0.57 INCHES NOMINAL IN
peripheral_shape_styleRECTANGULAR
center_hole_shape_styleROUND
end_item_identificationRADAR PROCESS
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-618-6447
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 75A325991-2007 · 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
•
END CUT ANGLE: 27.0 RADIANS NOMINAL
•
WIDTH ACROSS FLATS: 0.57 INCHES NOMINAL IN
•
LENGTH: 0.62 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CL 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-PRF-23377,TY I,CL C2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CHROMATE AND PRIMER OVERALL
TECHNICAL CHARACTERISTICS
END CUT ANGLE27.0 RADIANS NOMINAL
WIDTH ACROSS FLATS0.57 INCHES NOMINAL IN
LENGTH0.62 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-PRF-23377,TY I,CL C2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESRIGHT CORNER OF WASHER IS RADIUSED 0.09INCHES;WASHER IS OPPOSITE 03311M1320-108 WASHER IN
SURFACE TREATMENTCHROMATE AND PRIMER OVERALL
PERIPHERAL SHAPE STYLERECTANGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,CORNER;WASHER FRAME 29
SUBSTITUTES & CROSS-REFERENCES 1
03311M1320Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 75A325991-2007?
75A325991-2007 is a WASHER,FLAT.
What parts can replace 75A325991-2007?
There is 1 known substitute for 75A325991-2007: 03311M1320. Substitute compatibility should be verified for your specific system.
What is the NSN for 75A325991-2007?
75A325991-2007 is cataloged in the U.S. Government catalog under NSN 5310-01-618-6447. This indicates validated use in U.S. government and defense supply chains.
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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.