NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-01-137-3938
Tapping Screw P/N MS51871-3
In stock — 234 on our U.S. shelfNSN 5305-01-137-3938 5305011373938 NIIN 011373938
SECO Parts has 234 in stock of NSN 5305-01-137-3938 — Tapping Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- 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,TAPPING
- SECO description
- SCREW TAPPING
- Federal supply class
- FSC 5305 — Screws
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 234 |
| Total | 234 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-01-137-3938 011373938 MS51871-3
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.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Fastener length
- 0.720–0.750 in
- Head height
- 0.202–0.240 in
- Width between flats
- 0.367–0.375 in
- Extended washer diameter
- 0.480–0.520 in
- Extended washer thickness
- 0.030–0.050 in
- Features provided
- Case-Hardened
- Minimum tensile strength
- Pounds Per Square Inch 150000
- Hardness rating
- Overall Rockwell C Minimum 32.0 and Rockwell C Maximum 38.0
- Nonmachine nominal thread diameter
- Inches 0.250
- Material
- Overall Steel Comp 4037
- Material document and classification
- Overall Fed STD Single Material Response 66
- Surface treatment
- Overall Cadmium or Chromate
- Surface treatment document and classification
- Overall Fed Spec 1ST Treatment Response QQ--416 TY2 CL2 or MIL Spec 2ND Treatment Response -IL-C-81562 TY2 CL2
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS51871-3
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 234 on the shelf |
| Unit of issue | PG package |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| 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.
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FAQ
What is NSN 5305-01-137-3938?
NSN 5305-01-137-3938 (5305011373938) — Tapping Screw: SECO Parts has 234 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for tapping screw in federal supply class 5305 (Screws).
Is NSN 5305-01-137-3938 available?
SECO Parts has 234 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-01-137-3938 cost?
SECO quotes NSN 5305-01-137-3938 on request, usually the same business day.
What part numbers cross-reference to NSN 5305-01-137-3938?
Part numbers that cross-reference this NSN include MS51871-3. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,TAPPING. Same name is not the same part: check the part numbers.