PartsTable
Technical Data Sheet
Download PDF

4177217-3 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4177217-3: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 260 OR COPPER ALLOY 268 SECONDARY WASHER, head_style: PAN NO. 2, head_height: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_length: 0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-159-9391, 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
4177217-3
NSN: 5305-01-159-9391
FSC: 5305 — Screws
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 260 OR COPPER ALLOY 268 SECONDARY WASHER
head_stylePAN NO. 2
head_height0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_length0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
fastener_length0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
washer_quantity2
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
internal_drive_styleSLOT
primary_washer_styleSPLIT HELICAL RING
NSN5305-01-159-9391
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4177217-3 · 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
•
HEAD HEIGHT: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER: NOT IDENTICAL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.209 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES SECONDARY WASHER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
FASTENER LENGTH0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHERNOT IDENTICAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.209 INCHES MAXIMUM IN
THREAD LENGTH0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC ALL MATERIAL RESPONSES SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
SECONDARY WASHER STYLEFLAT
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy 4177217-3?
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 4177217-3?
4177217-3 is a SCREW,ASSEMBLED WASHER.
What is the NSN for 4177217-3?
4177217-3 is cataloged in the U.S. Government catalog under NSN 5305-01-159-9391. 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 — 4177217-3

✓ 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.