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Technical Data Sheet
PartsTable / COMPONENT / A-511
A-511 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BRUSH SET,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include diameter: 1.000 INCHES NOMINAL IN, material: STEEL COMP 304, dial_size: 1 IN. DIA IN, scale_name: PRESSURE, scale_type: SINGLE, scale_range: +0.0 TO 2500.0 POUNDS PRESSURE PER SQUARE INCH LBS.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-063-7989, 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
A-511
NSN: 5325-00-063-7989
FSC: 5325
CAGE: 57771 — EDWIN B. STIMPSON COMPANY, INC. DBA STIMPSON (USA)
SPECIFICATIONS
diameter1.000 INCHES NOMINAL IN
materialSTEEL COMP 304
dial_size1 IN. DIA IN
scale_namePRESSURE
scale_typeSINGLE
scale_range+0.0 TO 2500.0 POUNDS PRESSURE PER SQUARE INCH LBS
barrel_styleSTRAIGHT ROUND TYPE
constructionSEAMLESS
flange_styleFLANGE
pointer_typeINDICATING
adjustabilityNONADJUSTABLE
barrel_height0.115 INCHES NOMINAL IN
NSN5325-00-063-7989
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A-511 · 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
•
FLANGE OUTSIDE DIAMETER: 0.280 INCHES NOMINAL IN
•
FLANGE STYLE: FLANGE
•
BARREL STYLE: STRAIGHT ROUND TYPE
•
MATERIAL: COPPER ALLOY OVERALL
•
BARREL OUTSIDE DIAMETER: 0.190 INCHES NOMINAL IN
•
BARREL HEIGHT: 0.115 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.280 INCHES NOMINAL IN
FLANGE STYLEFLANGE
BARREL STYLESTRAIGHT ROUND TYPE
MATERIALCOPPER ALLOY OVERALL
BARREL OUTSIDE DIAMETER0.190 INCHES NOMINAL IN
BARREL HEIGHT0.115 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A511Interchangeable
interchangeable cross-reference
interchangeable
16-50738Interchangeable
interchangeable cross-reference
interchangeable
0661580-00Interchangeable
interchangeable cross-reference
interchangeable
2500G10Interchangeable
interchangeable cross-reference
interchangeable
689542Interchangeable
interchangeable cross-reference
interchangeable
741376Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-511?
A-511 is a BRUSH SET,ELECTRICAL CONTACT.
What parts can replace A-511?
There are 7 known substitutes for A-511: A511, 16-50738, 0661580-00 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-511?
A-511 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-063-7989. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026