Screw, Cap, Hexagon Head 5305-01-529-6987 NSN 5305-01-529-6987 · NIIN 015296987 · Part number 31C100HCSS
Mell Pell Supply Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 3K274
NSN 5305-01-529-6987 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-529-6987. Manufacturer of record part number: 31C100HCSS .
Also searched as
5305-01-529-6987 ·
5305015296987 ·
NIIN 015296987 ·
01-529-6987 ·
FSC 5305 Screws · CAGE 3K274 · 31C100HCSS
Nearby stock numbers
← 5305-01-529-6909 Screw, Cap, Socket Head
·
5305-01-529-7012 Screw, Machine →
L 1.000 INCHES NOMINAL IN
⌀0.312 INCHES IN
UNIFIED NATIONAL COARSE (UNC)
BOLT/SCREW PROFILE
5305-01-529-6987 — Screws
Features
Screw,cap,hexagon Head — FSC 5305 Fastener Length: 1.000 INCHES NOMINAL IN Thread Length: 1.000 INCHES NOMINAL IN Nominal Thread Diameter: 0.312 INCHES IN Thread Direction: RIGHT-HAND Thread Class: 2A A Thread Quantity Per Inch: 18 Material: STEEL OVERALL
Identification
NSN: 5305-01-529-6987
NIIN: 015296987
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 31C100HCSS
Manufacturer: Mell Pell Supply Inc
General Description
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-529-6987, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mell Pell Supply Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 5305-01-529-6987 Primary Part Number 31C100HCSS Item Name Screw,cap,hexagon Head FSC / FSG 5305 / 53 — Screws Manufacturer Mell Pell Supply Inc Status ACTIVE Fastener Length 1.000 INCHES NOMINAL IN Thread Length 1.000 INCHES NOMINAL IN Nominal Thread Diameter 0.312 INCHES IN Thread Direction RIGHT-HAND Thread Class 2A A Thread Quantity Per Inch 18 Material STEEL OVERALL Thread Series Designator UNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
31C100HCSS PRIMARY Mell Pell Supply Inc (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-529-6987?
NSN 5305-01-529-6987 is a Screw,cap,hexagon Head, manufactured by Mell Pell Supply Inc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-529-6987?
NSN 5305-01-529-6987 has 1 manufacturer part number on file: 31C100HCSS (Mell Pell Supply Inc).
What are the specifications of 31C100HCSS?
Key specifications for 31C100HCSS: Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Thread Direction: RIGHT-HAND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-529-6987 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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