PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-971Screw,wood

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-014-3321 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-014-3321 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-014-3321. Primary manufacturer part number: MIL-S-971.
Features
  • Screw,wood — FSC 5305
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Internal Drive Style: SLOT
  • Head Diameter: 0.389 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA)
  • Fastener Length: 1.500 INCHES NOMINAL IN
  • Nonmachine Nominal Thread Diameter: 0.216 INCHES IN
  • Head Style: OVAL COUNTERSUNK
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Screw,wood, cataloged under National Stock Number 5305-00-014-3321, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-014-3321
Primary Part NumberMIL-S-971
Item NameScrew,wood
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Internal Drive StyleSLOT
Head Diameter0.389 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Nonmachine Thread StyleGIMLET POINT (TYPE A, AB OR BA)
Fastener Length1.500 INCHES NOMINAL IN
Nonmachine Nominal Thread Diameter0.216 INCHES IN
Head StyleOVAL COUNTERSUNK
Surface TreatmentCHROMIUM OVERALL
MaterialCOPPER ALLOY OVERALL
Nondefinitive Spec/std Data1 TYPE AND 6S STYLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-011-6545 INTERCHANGEABLE
Screw,wood
5305-00-013-7950 INTERCHANGEABLE
Screw,wood
5305-00-015-0976 INTERCHANGEABLE
Screw,wood
5305-00-015-0980 INTERCHANGEABLE
Screw,wood
5305-00-265-3099 INTERCHANGEABLE
Screw,wood
5305-00-265-3103 INTERCHANGEABLE
Screw,wood
5305-00-265-3106 INTERCHANGEABLE
Screw,wood
Cross-Reference Index
Part NumberManufacturer
MIL-S-971 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS971TYPEC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-011-6545INTERCHANGEABLE
SCREW,WOOD
5305-00-013-7950INTERCHANGEABLE
SCREW,WOOD
5305-00-015-0976INTERCHANGEABLE
SCREW,WOOD
5305-00-015-0980INTERCHANGEABLE
SCREW,WOOD
5305-00-265-3099INTERCHANGEABLE
SCREW,WOOD
5305-00-265-3103INTERCHANGEABLE
SCREW,WOOD
5305-00-265-3106INTERCHANGEABLE
SCREW,WOOD

Frequently Asked Questions

What is NSN 5305-00-014-3321?

NSN 5305-00-014-3321 is a Screw,wood, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-014-3321?

NSN 5305-00-014-3321 has 2 cross-referenced part numbers: MIL-S-971 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS971TYPEC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-014-3321?

There are 7 known substitutes for 5305-00-014-3321: 5305-00-011-6545, 5305-00-013-7950, 5305-00-015-0976 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-971?

Key specifications for MIL-S-971: Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM; Internal Drive Style: SLOT; Head Diameter: 0.389 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA). 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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