PartsTable
Technical Data Sheet
Download PDF

705B978P1 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

705B978P1: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, hole_diameter: 2.110 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN, outside_diameter: 3.050 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN, special_features: CONTAINS THREE 0.281 INCH DIA HOLES,LOCATED OPPOSITE EACH KEY IN, style_designator: EXTERNAL AND INTERNAL PRE-BENT KEYS, material_thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-798-7845, 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
705B978P1
NSN: 5310-00-798-7845
FSC: 5310 — Nuts and Washers
CAGE: 73439 — AMSCO PRODUCTS CAMCAR DIV TEXTRON INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
hole_diameter2.110 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN
outside_diameter3.050 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
special_featuresCONTAINS THREE 0.281 INCH DIA HOLES,LOCATED OPPOSITE EACH KEY IN
style_designatorEXTERNAL AND INTERNAL PRE-BENT KEYS
material_thickness0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
external_key_quantity3
external_prebent_key_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
material_document_and_classificationAMS5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-798-7845
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 705B978P1 · 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: EXTERNAL AND INTERNAL PRE-BENT KEYS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.050 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 3
•
EXTERNAL PREBENT KEY WIDTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOREXTERNAL AND INTERNAL PRE-BENT KEYS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.050 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY3
SPECIAL FEATURESCONTAINS THREE 0.281 INCH DIA HOLES,LOCATED OPPOSITE EACH KEY IN
EXTERNAL PREBENT KEY WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OVERALL
INTERNAL KEY QUANTITY0
HOLE DIAMETER2.110 INCHES MINIMUM AND 2.130 INCHES MAXIMUM 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
Ready to buy 705B978P1?
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 705B978P1?
705B978P1 is a WASHER,KEY.
What is the NSN for 705B978P1?
705B978P1 is cataloged in the U.S. Government catalog under NSN 5310-00-798-7845. 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 — 705B978P1

✓ 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.