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174931 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

174931: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, outside_diameter: 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL AND INTERNAL TEETH, features_provided: MONOLITHIC AND ELECTROSTATIC SENSITIVE, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-067-6357, 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
174931
NSN: 5310-00-067-6357
NIINs: 000676357, 015032472
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
outside_diameter0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL AND INTERNAL TEETH
features_providedMONOLITHIC AND ELECTROSTATIC SENSITIVE
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
end_item_identificationAIRCRAFT, HORNET F/A-18 (E/F)
inclosure_configurationFLAT PACK
terminal_type_and_quantity132 GULLWING
NSN5310-00-067-6357
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 174931 · 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
•
STYLE DESIGNATOR: FLAT EXTERNAL AND INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 1 STYLE OR 2 STYLE AND 1 COMPOSITION
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT EXTERNAL AND INTERNAL TEETH
OUTSIDE DIAMETER0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
MATERIAL THICKNESS0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 1 STYLE OR 2 STYLE AND 1 COMPOSITION
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALSTEEL OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
1000-837Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-W-100Reference document
Same NSN cross-reference
Reference document — Identification reference
5310000676357Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS45904-69Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
178518Reference document
Same NSN cross-reference
Reference document — Secondary reference
D11076-28-49Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 174931?
174931 is a MICROCIRCUIT,DIGITAL.
What parts can replace 174931?
There are 7 known substitutes for 174931: 1000-837, FF-W-100, 5310000676357 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 174931?
174931 is cataloged in the U.S. Government catalog under NSN 5310-00-067-6357. 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.