PartsTable
Technical Data Sheet
Download PDF

191983 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

191983: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include width: 2.700 INCHES NOMINAL IN, length: 3.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.020 INCHES NOMINAL IN, attachment_method: SLOT, basic_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-285-5262, 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
191983
NSN: 5305-00-285-5262
NIINs: 002855262, 010676519
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width2.700 INCHES NOMINAL IN
length3.250 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.020 INCHES NOMINAL IN
attachment_methodSLOT
basic_shape_styleRECTANGULAR
marking_designationLEGEND FIRST SIDE
NSN5305-00-285-5262
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 191983 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.472 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
PRIMARY WASHER STYLE: COUNTERSINK EXTERNAL TEETH
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.625 INCHES NOMINAL IN
PRIMARY WASHER OUTSIDE DIAMETER0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
THREAD LENGTH0.472 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
PRIMARY WASHER STYLECOUNTERSINK EXTERNAL TEETH
THREAD DIRECTIONRIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
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
Ready to buy 191983?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 191983?
191983 is a SCREW,ASSEMBLED WASHER.
What is the NSN for 191983?
191983 is cataloged in the U.S. Government catalog under NSN 5305-00-285-5262. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 191983

✓ 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.