Catalog › Hardware and Abrasives › FSC 5305 › 5305-00-513-9988

Machine Screw P/N 5139988

In stock — 2 on our U.S. shelf

NSN 5305-00-513-9988 5305005139988 NIIN 005139988

SECO Parts has 2 in stock of NSN 5305-00-513-9988 — Machine Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $25–$55 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.

Controlled item (DEMIL D) — quote only. An end-use statement is required and sale is subject to SECO compliance review.

Request a quote — end-use statement required

Quotes answered within one business day once the end-use statement is reviewed.

Certificate of Conformance on request
PO, GPC & major cards
$50 minimum order — smaller requests still get a quote
30-day returns · terms

FLIS item name: SCREW,MACHINE
SECO description: SCREW, MACHINE
Federal supply class: FSC 5305 — Screws
Used on: HT Tpd MG 7.62MM M122

Availability & condition

Condition	Code	Qty on shelf
New Surplus	NS	2
Total		2

Quantities are live from SECO's inventory system, not estimated.

Also known as: 5305-00-513-9988 005139988 5139988

Get a quote

Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.

Controlled item. Quote only — no online checkout. Your request must include the end user, the end use, and a U.S.-person certification; SECO reviews each request before quoting.

More to tell us? Need-by date, ship-to, your own RFQ document

Specifications

Screw material document and classification: Assn STD Single Material Response AST-A108
Head minor diameter: 0.408 in (nominal)
Thread quantity per inch: 16
Thread series designator: Unified National Coarse (UNC)
Thread class: 3A
Fastener length: 0.390 in (nominal)
Special features: Includes External Serrations:24;Pitch Diameter:0.3906 in;Major Dia:0.408 in;Circular Tooth Width,Min Dim:0.022 in;Max Effective W/gage:0.025 in;Mates W/pn 5139987;Final Protective Finish;Manganese Phosphate Base,Type M,Class 1,W/VV-L-800 Supplementary Oil Treatment or Zinc Phosphate Base,Type Z,Class 1,W/VV-L-800 Supplementary Oil Treatment
Thread direction: Right-Hand
Thread length: 0.950 in (nominal)
Head height: 0.390 in (nominal)
Nominal thread diameter: Inches 0.375
Screw material: Steel

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

5139988

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 2 on the shelf
Unit of issue	EA each
Demilitarization code	D
Controlled inventory code	7
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 5305-00-513-9988?
NSN 5305-00-513-9988 (5305005139988) — Machine Screw: SECO Parts has 2 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for machine screw in federal supply class 5305 (Screws).

Is NSN 5305-00-513-9988 available?
SECO Parts has 2 in stock in Augusta, GA. This is a controlled item: it is sold by quote only with an end-use statement.

How much does NSN 5305-00-513-9988 cost?
SECO typically prices parts like NSN 5305-00-513-9988 at $25–$55 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What does NSN 5305-00-513-9988 fit?
The federal catalog lists NSN 5305-00-513-9988 as used on: HT Tpd MG 7.62MM M122.

What part numbers cross-reference to NSN 5305-00-513-9988?
Part numbers that cross-reference this NSN include 5139988. SECO can quote against any of them.